feat: add memory_metrics to canister_status

See: dfinity/portal#5240

Author: ggreif

test/bench/candid-subtype-cost.mo

@@ -79,6 +79,16 @@ actor {
     canister_status : shared { canister_id : canister_id } -> async {
         status : { #stopped; #stopping; #running };
         memory_size : Nat;
+        memory_metrics : {
+            wasm_memory_size : Nat;
+            stable_memory_size : Nat;
+            global_memory_size : Nat;
+            wasm_binary_size : Nat;
+            custom_sections_size : Nat;
+            canister_history_size : Nat;
+            wasm_chunk_store_size : Nat;
+            snapshots_size : Nat;
+        };
         cycles : Nat;
         settings : definite_canister_settings;
         idle_cycles_burned_per_day : Nat;